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Ok, I have a question for those guys out there using a 427 SBC GEN I Block Iron or Aluminum. I am thinking about assembling an Aluminum 427 using either a Dart or World Block. This engine will be used as a daily driver and be taken on long trips, hopefully Power Tour. Can you guys give me some pros and cons to these blocks? I spoke with both tech departments and they both had good points to there products. The Dart seems to be the better block, however the Motownlite seems to be closer to a stock 400, which in the end could prove to be a better deal. The list kind of went like this.
.................................Dart............. ..........................Motownlite
Different Deck Heights....Yes.................................... ...No
Stock Oil Pan set up.......No (wide spread rail)................Yes....(Stock)
BBC Cam Core...............Yes............................ ...........No.....(Stock)
Stock Oil Filter..............No............................ ...........Yes.....(Stock)
Square Block................Yes.......................... .............No
Intake Height Stock.......No.................................... ....Yes....(Stock)
Stock Height Distributor..No................................... .....Yes....(Stock)
Special Head Studs........Yes.................................. .....No
Special Custom Cam.......Yes..................................... ..No Small Base Cir
Special Timing Gear........Yes................................... ....No
Weight.........................95 lbs...................................100 lbs
Billet Steel Splayed Mains.Yes......................................Yes
Material:.......................355-T6 aluminum....................357-T6 aluminum
Sleeve________________.250_______________________. 250" @ 4.155 bore
Raised Cam....................Yes........................ ..............No
Max Cubic Inch...............455 (4.185 x4.125)................434 (4.155 x 4.00)
Special Ribbing................No......................... ..............Yes
The thing that amazes me about these specs neither company thought about changing the lifter bores over to the new style (tall style) so you can use the new design lifters that are cheaper then the Retro Style lifters.
Please let me know your opinions and experiences. Thanks Guys!
Ok, I have a question for those guys out there using a 427 SBC GEN I Block Iron or Aluminum. I am thinking about assembling an Aluminum 427 using either a Dart or World Block. This engine will be used as a daily driver and be taken on long trips, hopefully Power Tour. Can you guys give me some pros and cons to these blocks? I spoke with both tech departments and they both had good points to there products. The Dart seems to be the better block, however the Motownlite seems to be closer to a stock 400, which in the end could prove to be a better deal. The list kind of went like this.
.................................Dart............. ..........................Motownlite
Different Deck Heights....Yes.................................... ...No
Stock Oil Pan set up.......No (wide spread rail)................Yes....(Stock)
BBC Cam Core...............Yes............................ ...........No.....(Stock)
Stock Oil Filter..............No............................ ...........Yes.....(Stock)
Square Block................Yes.......................... .............No
Intake Height Stock.......No.................................... ....Yes....(Stock)
Stock Height Distributor..No................................... .....Yes....(Stock)
Special Head Studs........Yes.................................. .....No
Special Custom Cam.......Yes..................................... ..No Small Base Cir
Special Timing Gear........Yes................................... ....No
Weight.........................95 lbs...................................100 lbs
Billet Steel Splayed Mains.Yes......................................Yes
Material:.......................355-T6 aluminum....................357-T6 aluminum
Sleeve________________.250_______________________. 250" @ 4.155 bore
Raised Cam....................Yes........................ ..............No
Max Cubic Inch...............455 (4.185 x4.125)................434 (4.155 x 4.00)
Special Ribbing................No......................... ..............Yes
The thing that amazes me about these specs neither company thought about changing the lifter bores over to the new style (tall style) so you can use the new design lifters that are cheaper then the Retro Style lifters.
Please let me know your opinions and experiences. Thanks Guys!
